Home / 37,931.97-52,346.01-20,936.19

Finding the Fourth Proportional to 37,931.97, 52,346.01 and 20,936.19

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Solution

The fourth proportional to 37,931.97, 52,346.01 and 20,936.19 is: 28,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931.97 : 52,346.01 = 20,936.19 : x
  2. Step 2: Convert to fraction form
    37,931.97/52,346.01 = 20,936.19/x
  3. Step 3: Cross multiply
    37,931.97x = 52,346.01 × 20,936.19
  4. Step 4: Simplify right side
    37,931.97x = 1,095,926,011.10
  5. Step 5: Solve for x
    x = 1,095,926,011.10/37,931.97
  6. Step 6: Final answer
    x = 28,891.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.